18 years ago, Linda Koebner helped two laboratory chimps change life of living in jail back to having a normal and happy life. The two chimps, Doll and Swing had not seen Linda since the day she changed their lives. When they are brought together, it’s hard not to shed a tear, it’s genuinely a lovely and enthusiastic moment.

Linda still works with chimps like Doll and Swing and made it her central goal to give others a better life since saving them all of those years prior and stated: “It’s essential for every one of us as a species to understand that all creatures are people and they have sentiments and thoughts and they endure the agony and the joy that we do… ”

Watch the emotional encounter, here: